Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Ratna EDIATI"'
Autor:
Ummu Kulsum, Hamzah Fansuri, Eko Santoso, Lely Kurniawati, Alvin Romadhoni Putra Hidayat, Liyana Labiba Zulfa, Mustafa Al Bakri Abdullah, Ratna Ediati
Publikováno v:
South African Journal of Chemical Engineering, Vol 49, Iss , Pp 86-98 (2024)
The synthesis of Cu(II)-doped ZIF-8/Chitosan by means of the one-pot method at room temperature was successfully carried out. The synthesized materials exhibit enhanced adsorption properties for the removal of Congo red (CR) dye. The structural and m
Externí odkaz:
https://doaj.org/article/26b59f5280754c7fa40a6741355e862b
Autor:
Dinia Astira, Romario Abdullah, Utari Zulfiani, Dety Oktavia Sulistiono, Zeni Rahmawati, Triyanda Gunawan, Mohd Hafiz Dzarfan Othman, Muhammad Hasan, Ratna Ediati, Hamzah Fansuri
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100963- (2024)
A composite catalyst was developed to degrade methylene blue (MB) via the Fenton reaction from Fe3O4 and H2O2 with zeolite-NaY as magnetite support to reduce agglomeration. Hydrothermal and co-precipitation approaches were used to synthesize the comp
Externí odkaz:
https://doaj.org/article/a7dac1c632aa41a48d5779fc49f19728
Autor:
Stella Jovita, Holilah Holilah, Nada Nabila Khairunisa, Hasliza Bahruji, Reva Edra Nugraha, Novia Amalia Sholeha, Abdul Aziz, Ratna Ediati, Aishah Abdul Jalil, Didik Prasetyoko
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100935- (2024)
Mesoporous silica was synthesized using biosurfactant templates to tailor the mesoporosity and catalytic activity in waste cooking oil conversion to liquid hydrocarbon. Facile maceration of Sapindus rarak fruit produced extract with amphiphilic prope
Externí odkaz:
https://doaj.org/article/3510c8687ea345469858c12f1f7c6a00
Autor:
Riki Subagyo, Saepurahman Saepurahman, Elfirza Zain, Sri Hartati, Lei Zhang, Kiki Adi Kurnia, Arramel Arramel, Ratna Ediati, Syafsir Akhlus, Yuly Kusumawati
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100875- (2024)
This study reported a novel technique for spray coating zinc oxide (ZnO) on one side of fiberglass (FG) substrate and chitosan (CS) on the opposite side, resulting in the production of ZnO/FG/CS composite. This strategy alters the morphology of the p
Externí odkaz:
https://doaj.org/article/c836775c7b784062bbc450ef813bfbfc
Autor:
Liyana Labiba Zulfa, Alvin Romadhoni Putra Hidayat, Wahyu Prasetyo Utomo, Riki Subagyo, Etty Nurlia Kusumawati, Yuly Kusumawati, Djoko Hartanto, Widyastuti Widyastuti, Ratna Ediati
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100828- (2024)
A series of bimetallic metal-organic frameworks (MOFs) photocatalysts had been successfully synthesized by doping nickel (Ni) into zeolitic imidazolate framework-8 (ZIF-8) for enhanced photodegradation of methylene blue (MB). Optical characterization
Externí odkaz:
https://doaj.org/article/ea5a57c2aefc43508d199ea6795f0505
Autor:
Dety Oktavia Sulistiono, Badrut Tamam Ibnu Ali, Alvin Rahmad Widyanto, Ratna Ediati, Nurul Widiastuti, Witri Wahyu Lestari, Syafsir Akhlus, Rendy Muhamad Iqbal, Semuel Pati Senda, Hamzah Fansuri
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100739- (2024)
In response to global clean energy demands, this study develops mixed matrix membranes (MMMs) for gas separation in renewable energy applications. MMMs are produced through phase inversion by employing polysulfone and bimetallic-ZIF (Ni–Co-ZIF-67).
Externí odkaz:
https://doaj.org/article/aa5ffa40cf4a44938914c30cea23f938
Autor:
Pilomeena Arokiasamy, Mohd Mustafa Al Bakri Abdullah, Shayfull Zamree Abd Rahim, Andrei Victor Sandu, Anna Fedrigo, Ratna Ediati, Shafiq Ishak, Noor Haida Mohd Kaus
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 5, Pp 105745- (2024)
The efficacy of copper Cu(II) adsorption is significantly affected by the presence of antibiotics, such as ciprofloxacin (CIP). Therefore, researchers are highly interested in conducting extensive investigations on the simultaneous adsorption of Cu(I
Externí odkaz:
https://doaj.org/article/21263f3613574b6590df5d18cf2a9027
Autor:
Hamzah Fansuri, Warih Supriadi, Ratna Ediati, Wahyu Prasetyo Utomo, Ririn Eva Hidayati, Rendy Muhamad Iqbal, Dety Oktavia Sulistiono, Mohd Mustafa Al Bakri Abdullah, Subaer
Publikováno v:
Environmental Advances, Vol 15, Iss , Pp 100510- (2024)
The immobilization of heavy metal ions in geopolymers is a promising solution to prevent environmental contamination. However, under acidic conditions, these ions can leach out. Our study focused on immobilizing Cd2+ and Pb2+ in fly ash-based geopoly
Externí odkaz:
https://doaj.org/article/ef61dfc4ae9f467db227067425764941
Autor:
Holilah Holilah, Lisman Suryanegara, Hasliza Bahruji, Nanang Masruchin, Suprapto Suprapto, Ratna Ediati, Asranudin Asranudin, Aishah A. Jalil, Dini Viandi Ramadhani, Zuratul Ain Abdul Hamid, Didik Prasetyoko
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 6344-6357 (2023)
Nanocrystalline cellulose (NCs) was successfully isolated from pepper biowaste using lactic acid hydrolysis and employed as filler in seaweed biocomposite. Optimization of hydrolysis parameters by employing response surface methodology (RSM) generate
Externí odkaz:
https://doaj.org/article/99c10c28d1494e51b410338406e1cf1e
Autor:
Ratna Ediati, Liyana Labiba Zulfa, Izzah Maulidah, Dety Oktavia Sulistiono, Hamzah Fansuri, Afifah Rosyidah, Fahimah Martak, Djoko Hartanto, Mustafa Al Bakri Abdullah, Wahyu Prasetyo Utomo, Etty Nurlia Kusumawati, M. Shirai
Publikováno v:
South African Journal of Chemical Engineering, Vol 46, Iss , Pp 132-142 (2023)
Ternary composites comprised of graphene oxide (GO), ZIF-8, and HKUST-1 with varying amounts of GO were successfully synthesized via the solvothermal method. Based on the photoluminescence characterization, the GO/ZIF-8/HKUST-1 composite presents a m
Externí odkaz:
https://doaj.org/article/b96bfb630d8b4f4aabb1afeea30c4cd5